Considering an Adjustable-Rate Mortgage? Here’s What You Should Know (2024)

Adjustable-rate mortgages have benefits and drawbacks that you should carefully consider when choosing a home loan. Learn about how ARMs work, the different types of ARMs, when an ARM may be a good option, and when to think about refinancing to a fixed-rate mortgage.

Considering an Adjustable-Rate Mortgage? Here’s What You Should Know (1)

How Do ARMs Work?

An adjustable-rate mortgage (ARM) is a loan with an interest rate that will change throughout the life of the mortgage. This means that, over time, your monthly payments may go up or down.

This is different from a fixed-rate mortgage (FRM), which has a fixed interest rate that is set when you take out the loan and does not change. With this type of loan, your monthly payments will not change.

ARMs have two distinct periods:

  • Initial period: Also known as the fixed-rate period, during this time, the interest rate on your loan doesn't change. The initial period can range from six months to 10 years. The most common ARM terms will have an initial period of 3, 5 or 10 years.

After the initial period, most ARMs adjust. Simply put, when your loan adjusts, your interest rate may change.

  • Adjustment period: All ARMs have adjustment periods that determine when and how often the interest rate can change. Your adjusted rate will be based on your individual loan terms and the current market.

You need to make sure you are financially prepared for rate adjustments if you are considering an ARM.

What Are the Different Types of ARMs?

There are different types of ARMs that lenders offer. The name of these ARMs will indicate:

  • The duration of the initial period.
  • How often in a year your rate can adjust during the adjustment period.

Let’s look at an example: The most common adjustable-rate mortgage is a 5/1 ARM. This means you will have an initial period of five years (the “5”), during which the interest rate doesn’t change. After that time, you can expect your ARM to adjust once a year (the “1”).

Most ARMS will also typically offer a rate cap structure, which is meant to limit how much your rate can increase or decrease.

There are three different caps:

  • Initial cap:Limits how much your rate can increase when your rate first adjusts.
  • Periodic cap:Limits how much your rate can increase from one adjustment period to the next.
  • Lifetime cap:Limits how much your rate can increase or decrease over the life of your loan.

Let’s say you have a 5/1 ARM with a 5/2/5 cap structure. This means on the sixth year — after your initial period expires — your rate can increase by a maximum of 5 percentage points (the first "5") above the initial interest rate. Every year thereafter, your rate can adjust a maximum of 2 percentage points (the second number, "2"), but your interest rate can never increase more than 5 percentage points (the last number, "5") over the life of the loan.

When shopping for an ARM, you should look for interest rate caps you can afford.

When Should You Consider an ARM?

Many homeowners choose an ARM to take advantage of the lower mortgage rates during the initial period. You may consider an adjustable-rate mortgage if:

  • You plan on moving or selling your home within five years, or before the adjustment period of the loan.
  • Interest rates are high when you buy your home.

If rates are low, it would make more sense to get a fixed-rate mortgage to lock in the low rate.

Keep in mind that, with an ARM, there is a level of uncertainty about how much your monthly payment will go up or down. Depending on the market, your rate could adjust upward and increase your monthly payments. It is important to be mindful of this because you are still responsible for making your monthly payments if your rate adjusts upward.

Considering an Adjustable-Rate Mortgage? Here’s What You Should Know (2024)

FAQs

Considering an Adjustable-Rate Mortgage? Here’s What You Should Know? ›

A mortgage is a loan that helps you buy a house. An adjustable-rate mortgage is just like any other mortgage, but with one important difference: the interest rate can go up or down. This means that your monthly payments could change over time, depending on what happens to interest rates.

What are the most important factors to consider when considering an adjustable-rate mortgage? ›

When comparing adjustable rate mortgages and fixed rate mortgages, it's essential to consider how changes in interest rates could affect your monthly payment and long-term financial stability. Additionally, your credit score plays a crucial role in determining the interest rate you qualify for.

What is the biggest drawback of an adjustable-rate mortgage? ›

One of the biggest drawbacks of adjustable-rate mortgages is the uncertainty that comes with fluctuating interest rates. While the initial rate may be lower than a fixed-rate mortgage, it can also rise dramatically in the future, making monthly payments more expensive.

Is it ever a good idea to get an adjustable-rate mortgage? ›

Here are some scenarios when an ARM might be a good choice. You're not buying a forever home. If you move in several years, an ARM could save you money. You'd benefit from the low introductory fixed rate, then sell the home before the adjustable period starts.

What type of buyer should consider an adjustable-rate mortgage? ›

An ARM may make sense if the home buyer has a stable income and expects it to stay the same or increase. However, a fixed-rate mortgage may be a better choice if their income is less predictable or changing. With an ARM, the interest rate can change, which means monthly payments can also change.

What is the main problem with an adjustable-rate mortgage? ›

Monthly payments might increase: The biggest disadvantage of an ARM is the likelihood of your rate going up. If rates have risen since you took out the loan, your payments will increase when the loan resets.

Who should not get an adjustable-rate mortgage? ›

For many homebuyers, the risk may not be worth it

The reality is that for many homebuyers who want the lower payment of an adjustable rate loan, the added risk is often more than they can afford to take because they don't have a big income or vast savings.

Who bears the risk in an adjustable-rate mortgage? ›

Adjustable-rate (ARM) and fixed-rate (FRM) mortgages are most popular in the US. With an ARM contract, a borrower pays a varying interest rate, and bears interest rate risk. With an FRM contract, a borrower is charged a fixed interest rate, and interest rate risk is transferred to the lender.

What is the most common adjustable-rate mortgage? ›

Let's look at an example: The most common adjustable-rate mortgage is a 5/1 ARM. This means you will have an initial period of five years (the “5”), during which the interest rate doesn't change. After that time, you can expect your ARM to adjust once a year (the “1”).

What are the pros and cons of an adjustable-rate? ›

Pros include low introductory rates and flexibility; cons include complexity and the potential for much bigger payments over time.

How often do adjustable-rate mortgages adjust? ›

For example, during the first five years in a 5/6m ARM your rate stays the same. After that, the rate may adjust every six months (the 6m in the 5/6m example) until the loan is paid off. This period between rate changes is called the adjustment period.

What does 5 2 5 mean on an adjustable-rate mortgage? ›

In this example the first “5” represents the maximum adjustment in interest rate for the first adjustment (i.e. during month 61), the “2” is the cap on future adjustments, and the last number, the other “5” is the maximum amount of change ever allowed.

Why did my mortgage go up if I have a fixed-rate? ›

The benefit of a fixed-rate mortgage is that your interest rate stays consistent. But your monthly mortgage bill can still change — in fact, it generally fluctuates at least a little bit every year. Rising home values and insurance premiums have caused unusually dramatic increases for some homeowners in recent years.

What is the 7 day rule in a mortgage? ›

Mortgage Closing Waiting Period

The Rule prohibits the lender and consumer from closing or settling on the mortgage loan transaction until 7 business days after the delivery or mailing of the TILA disclosures, including the Good Faith Estimate and disclosure of the final APR.

Is a 5-year ARM a good idea? ›

However, if current 30-year mortgage rates are too high, a 5/1 ARM rate can make sense — especially if you're planning to relocate within five years. You may even want to stash the savings from a five-year ARM payment into a moving expense account.

Is a 7 year ARM a good idea? ›

7/1 ARMs can be a good option for those planning to sell their home or refinance within the first seven years, but may not be suitable for those planning to stay in their home for the long term or who are not prepared for potential rate increases.

What are the elements of an adjustable-rate mortgage? ›

An ARM has four components: (1) an index, (2) a margin, (3) an interest rate cap structure, and (4) an initial interest rate period. When the initial interest rate period has expired, the new interest rate is calculated by adding a margin to the index.

What factors are likely to affect an individual's choice to get an adjustable-rate mortgage ARM as opposed to a fixed-rate mortgage? ›

Keep your best interest in mind

These include credit scores (the higher your score, the better your rate), the length and size of the loan, and even the rate of inflation. A good mortgage loan officer can walk you through these factors and help you determine whether they will alter your rate.

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